G02B 2006/0209
Helical, chiral gratings
Official title: {Helical, chiral gratings}
G02B2006/0209 (Helical, chiral gratings) appears on 35 US grants and 33 published applications in this corpus.
Search patents in G02B- Granted patents
- 35
- Published applications
- 33
- Assignees
- 18
- Inventors
- 65
- Latest grant
- 28 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 6 |
| 2004 | 4 | 1 |
| 2005 | 2 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 2 | 4 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bragg grating based optical fiber sensor which is capable of measuring inflection point vector of chiral motion and manufacturing method thereof28 Mar 2023US 11,614,580 B2UIF (University Industry Foundation), Yonsei University
- Optical fiber cladding light stripper7 Feb 2023US 11,575,239 B2nLIGHT, Inc.
- Method for manufacturing polarization-independent orbital angular momentum modulator27 Dec 2022US 11,536,895 B2Shenzhen University
- Fiber optic diffraction grating19 Nov 2019US 10,481,324 B2Chiral Photonics, Inc.
- Pitch reducing optical fiber array and multicore fiber comprising at least one chiral fiber grating6 Feb 2018US 9,885,825 B2Chiral Photonics, Inc.
- Strong, fatigue-resistant optical fiber with enhanced side irradiation23 Jul 2026US 2026/0211174 A1
- Fiber optic cable10 Jul 2025US 2025/0224555 A1Nippon Telegraph and Telephone Corporation
- Optical fiber cladding light stripper11 May 2023US 2023/0144603 A1nLIGHT, Inc.
- Chiral fiber grating-based polarization-independent orbital angular momentum modulator, preparation method therefor, and orbital angular momentum beam generator27 Jan 2022US 2022/0026630 A1Shenzhen University
- Bragg grating based optical fiber sensor which is capable of measuring inflection point vector of chiral motion and manufacturing method thereof16 Dec 2021US 2021/0389519 A1UIF (University Industry Foundation), Yonsei University
Most cited
By later US patents
- Multicore optical fiber with integral diffractive elements machined by ultrafast laser direct writing69US 7,587,110 B2Panasonic Corporation · 2009
- Multimode long period fiber bragg grating machined by ultrafast laser direct writing67US 7,376,307 B2Matsushita Electric Industrial Co., Ltd. · 2008
- Chiral fiber laser apparatus and method63US 6,671,293 B2Chiral Photonics, Inc. · 2003
- Graded index optical fiber40US 4,076,380 ABell Telephone Laboratories, Incorporated · 1978
- Chiral in-fiber polarizer apparatus and method35US 7,095,911 B2Chiral Photonics, Inc. · 2006